#51107D#51107D

#51107D is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.2% C 0.166 H 305.9°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#51107D
RGB	rgb(81, 16, 125)
HSL	hsl(276, 77%, 28%)
HSV	hsv(276, 87%, 49%)
CMYK	cmyk(35.2%, 87.2%, 0%, 51%)
CIE-LAB	lab(22.30, 47.23, -47.09)
CIE-LCH	lch(22.30, 66.70, 315.08°)
OKLab	oklab(35.2% 0.0971 -0.1342)
OKLCH	oklch(35.2% 0.166 305.9)
XYZ	xyz(7.2795, 3.6006, 19.7096)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 2.35

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51107D #3C7D10

analogous

#1B107D #51107D #7D1072

triadic

#51107D #7D5110 #107D51

tetradic

#51107D #7D1B10 #3C7D10 #10727D

square

#51107D #7D1B10 #3C7D10 #10727D

split-complementary

#51107D #727D10 #107D1B

monochromatic

#12031B #2E0947 #51107D #7417B3 #9624E3

Accessibility & contrast

On white

12.21

#51107D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#51107D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51107D

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51107D	#FFFFFF	#000000	##FFFFFF
##51107D	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003480

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#492F49

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #51107d;
/* rgb */ color: rgb(81, 16, 125);
/* oklch */ color: oklch(35.2% 0.166 305.9);

Tailwind

colors: {
  custom: {
    50: '#8759a4',
    500: '#51107d',
    950: '#000000',
  },
}

SCSS

$custom: #51107d;
$custom-light: #8759a4;
$custom-dark: #000000;

JSON

{
  "hex": "#51107d",
  "rgb": {
    "r": 81,
    "g": 16,
    "b": 125
  },
  "hsl": {
    "h": 275.78,
    "s": 77.305,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35199,
    "c": 0.16569,
    "h": 305.9
  },
  "luminance": 0.03601
}

Semantic roles & 50–950 ramp

primary

#51107D

secondary

#68B335

accent

#F43481

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #51107D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →